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Face specific inversion effects provide evidence for two subtypes of developmental prosopagnosia
Neuropsychologia, Volume: 174, Start page: 108332
Swansea University Author:
Jeremy Tree
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DOI (Published version): 10.1016/j.neuropsychologia.2022.108332
Abstract
Many studies have attempted to identify the perceptual underpinnings of developmental prosopagnosia (DP). The majority have focused on whether holistic and configural processing mechanisms are impaired in DP. However, previous work suggests that there is substantial heterogeneity in holistic and con...
Published in: | Neuropsychologia |
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ISSN: | 0028-3932 |
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Elsevier BV
2022
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However, previous work suggests that there is substantial heterogeneity in holistic and configural processing within the DP population; further, there is disagreement as to whether any deficits are face-specific or reflect a broader perceptual deficit. This study used a data-driven approach to examine whether there are systematic patterns of variability in DP that reflect different underpinning perceptual deficits. A group of individuals with DP (N = 37) completed a cognitive battery measuring holistic/configural and featural processing in faces and non-face objects. A two-stage cluster analysis on data from the Cambridge Face Perception Test identified two subgroups of DPs. Across several tasks, the first subgroup (N = 21) showed typical patterns of holistic/configural processing (measured via inversion effects); the second (N = 16) was characterised by reduced or abolished inversion effects compared to age-matched control participants (N = 91). The subgroups did not differ on tasks measuring upright face matching, object matching, non-face holistic processing, or composite effects. These findings indicate two separable pathways to face recognition impairment, one characterised by impaired configural processing and the other potentially by impaired featural processing. Comparisons to control participants provide some preliminary evidence that the deficit in featural processing may extend to some non-face stimuli. 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v2 60539 2022-07-20 Face specific inversion effects provide evidence for two subtypes of developmental prosopagnosia 373fd575114a743d502a979c6161b1ad 0000-0001-6000-8125 Jeremy Tree Jeremy Tree true false 2022-07-20 HPS Many studies have attempted to identify the perceptual underpinnings of developmental prosopagnosia (DP). The majority have focused on whether holistic and configural processing mechanisms are impaired in DP. However, previous work suggests that there is substantial heterogeneity in holistic and configural processing within the DP population; further, there is disagreement as to whether any deficits are face-specific or reflect a broader perceptual deficit. This study used a data-driven approach to examine whether there are systematic patterns of variability in DP that reflect different underpinning perceptual deficits. A group of individuals with DP (N = 37) completed a cognitive battery measuring holistic/configural and featural processing in faces and non-face objects. A two-stage cluster analysis on data from the Cambridge Face Perception Test identified two subgroups of DPs. Across several tasks, the first subgroup (N = 21) showed typical patterns of holistic/configural processing (measured via inversion effects); the second (N = 16) was characterised by reduced or abolished inversion effects compared to age-matched control participants (N = 91). The subgroups did not differ on tasks measuring upright face matching, object matching, non-face holistic processing, or composite effects. These findings indicate two separable pathways to face recognition impairment, one characterised by impaired configural processing and the other potentially by impaired featural processing. Comparisons to control participants provide some preliminary evidence that the deficit in featural processing may extend to some non-face stimuli. Our results demonstrate the utility of examining both the variability between and consistency across individuals with DP as a means of illuminating our understanding of face recognition in typical and atypical populations. Journal Article Neuropsychologia 174 108332 Elsevier BV 0028-3932 Prosopagnosia; Face recognition; Face perception; Cluster analysis 9 9 2022 2022-09-09 10.1016/j.neuropsychologia.2022.108332 COLLEGE NANME Psychology COLLEGE CODE HPS Swansea University MJB and TP were supported by an ESRC grant (ES/K00882X/1). SB is supported by a Leverhulme Trust Research Fellowship (RF-2020-105). 2023-09-13T14:46:11.9564423 2022-07-20T03:01:48.3813138 Faculty of Medicine, Health and Life Sciences School of Psychology Rachel J. Bennetts 0000-0002-3543-9836 1 Nicola J. Gregory 2 Jeremy Tree 0000-0001-6000-8125 3 Caroline Di Bernardi Luft 0000-0002-3293-3898 4 Michael J. Banissy 5 Ebony Murray 0000-0003-4928-5871 6 Tegan Penton 7 Sarah Bate 0000-0001-5484-8195 8 60539__24970__a5872af48c7848c7805d849c184891d7.pdf 60539.pdf 2022-08-19T14:17:45.9105588 Output 3029231 application/pdf Version of Record true © 2022 The Authors. This is an open access article under the CC BY license true eng http://creativecommons.org/licenses/by/4.0/ |
title |
Face specific inversion effects provide evidence for two subtypes of developmental prosopagnosia |
spellingShingle |
Face specific inversion effects provide evidence for two subtypes of developmental prosopagnosia Jeremy Tree |
title_short |
Face specific inversion effects provide evidence for two subtypes of developmental prosopagnosia |
title_full |
Face specific inversion effects provide evidence for two subtypes of developmental prosopagnosia |
title_fullStr |
Face specific inversion effects provide evidence for two subtypes of developmental prosopagnosia |
title_full_unstemmed |
Face specific inversion effects provide evidence for two subtypes of developmental prosopagnosia |
title_sort |
Face specific inversion effects provide evidence for two subtypes of developmental prosopagnosia |
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373fd575114a743d502a979c6161b1ad |
author_id_fullname_str_mv |
373fd575114a743d502a979c6161b1ad_***_Jeremy Tree |
author |
Jeremy Tree |
author2 |
Rachel J. Bennetts Nicola J. Gregory Jeremy Tree Caroline Di Bernardi Luft Michael J. Banissy Ebony Murray Tegan Penton Sarah Bate |
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Neuropsychologia |
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Swansea University |
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10.1016/j.neuropsychologia.2022.108332 |
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Elsevier BV |
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Many studies have attempted to identify the perceptual underpinnings of developmental prosopagnosia (DP). The majority have focused on whether holistic and configural processing mechanisms are impaired in DP. However, previous work suggests that there is substantial heterogeneity in holistic and configural processing within the DP population; further, there is disagreement as to whether any deficits are face-specific or reflect a broader perceptual deficit. This study used a data-driven approach to examine whether there are systematic patterns of variability in DP that reflect different underpinning perceptual deficits. A group of individuals with DP (N = 37) completed a cognitive battery measuring holistic/configural and featural processing in faces and non-face objects. A two-stage cluster analysis on data from the Cambridge Face Perception Test identified two subgroups of DPs. Across several tasks, the first subgroup (N = 21) showed typical patterns of holistic/configural processing (measured via inversion effects); the second (N = 16) was characterised by reduced or abolished inversion effects compared to age-matched control participants (N = 91). The subgroups did not differ on tasks measuring upright face matching, object matching, non-face holistic processing, or composite effects. These findings indicate two separable pathways to face recognition impairment, one characterised by impaired configural processing and the other potentially by impaired featural processing. Comparisons to control participants provide some preliminary evidence that the deficit in featural processing may extend to some non-face stimuli. Our results demonstrate the utility of examining both the variability between and consistency across individuals with DP as a means of illuminating our understanding of face recognition in typical and atypical populations. |
published_date |
2022-09-09T14:46:13Z |
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11.021648 |